Dictionary

1conditional

adjective con·di·tion·al \kən-ˈdish-nəl, -ˈdi-shə-nəl\

grammar : showing or used to show that something is true or happens only if something else is true or happens

Full Definition of CONDITIONAL

1
:  subject to, implying, or dependent upon a condition <a conditional promise>
2
:  expressing, containing, or implying a supposition <the conditional clause if he speaks>
3
a :  true only for certain values of the variables or symbols involved <conditional equations>
b :  stating the case when one or more random variables are fixed or one or more events are known <conditional frequency distribution>
4
a :  conditioned 2 <conditional reflex> <conditional response>
b :  established by conditioning as the stimulus eliciting a conditional response
con·di·tion·al·i·ty \-ˌdi-shə-ˈna-lə-tē\ noun
con·di·tion·al·ly \-ˈdish-nə-lē, -ˈdi-shə-nə-lē\ adverb

Examples of CONDITIONAL

  1. If she speaks, you must listen is a conditional sentence.
  2. The sentence contains the conditional clause if she speaks.

First Known Use of CONDITIONAL

14th century

2conditional

noun

: a word, clause, or sentence that shows that something is true or happens only if something else is true or happens

the conditional : the mood or form that is used to say that something is true or happens only if something else is true or happens

Full Definition of CONDITIONAL

1
:  a conditional word, clause, verb form, or morpheme
2
:  implication 2b

Examples of CONDITIONAL

  1. The clause if she speaks is a conditional.
  2. The conditional is often marked by the word if.

First Known Use of CONDITIONAL

1828

conditional

adjective con·di·tion·al \kən-ˈdish-nəl, -ən-əl\   (Medical Dictionary)

Medical Definition of CONDITIONAL

1
a :  conditioned <conditional reflex> <conditional response> b :  eliciting a conditional response <a conditional stimulus>
2
:  permitting survival only under special growth or environmental conditions <conditional lethal mutations>
con·di·tion·al·ly \-ˈdish-nə-lē, -ən-əl-ē\ adverb

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